Maintenance; Safety Instructions For Maintenance; Maintenance Activities, Intervals; Maintenance Activities - Kessel Aqualift F XL Mono Installation And Operating Manual

7.1

Safety instructions for maintenance

- Ensure that the room is well ventilated before opening the wastewater container. Keep sources of ignition
away and do not smoke.
- Ensure that the pump(s) have reached ambient temperature.
- Intake and outlet pipes must be emptied and free of pressure before beginning work.
- The level in the wastewater container must be below the fastening level (pump flange) of the wastewater
pumps (Fig. [21]).
- Aggressive cleaning products may damage the seals. Conduct cleaning work with warm water and a brush.
The pump flange <33> must not be removed.
7.2

Maintenance activities, intervals

Maintenance of lifting stations (DIN 12056-4)
The station must be subjected to regular maintenance by a suitably qualified person. The time intervals may
not be any longer than:
- 1/4 of a year for commercially operated stations
- 1/2 of a year for stations in multi-occupancy housing
- 1 year for stations in single-occupancy housing
A maintenance report must be created for each maintenance job, with information on all work conducted
together with important data.
If deficiencies are detected which cannot be resolved, the operator of the station must be informed immediately
in writing by the qualified person conducting the maintenance against receipt.
7.3

Maintenance activities

7.3.1

Visual check

Check that all station components are complete, sit securely, are intact and free of leaks.
7.3.2

Checking the shut-off valve

The shut-off valve(s) must be able to be operated properly and easily.

Maintenance

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